protoc-gen-go-micro/vendor/github.com/Masterminds/sprig/dict_test.go
2017-03-31 18:01:58 +02:00

138 lines
3.6 KiB
Go

package sprig
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestDict(t *testing.T) {
tpl := `{{$d := dict 1 2 "three" "four" 5}}{{range $k, $v := $d}}{{$k}}{{$v}}{{end}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if len(out) != 12 {
t.Errorf("Expected length 12, got %d", len(out))
}
// dict does not guarantee ordering because it is backed by a map.
if !strings.Contains(out, "12") {
t.Error("Expected grouping 12")
}
if !strings.Contains(out, "threefour") {
t.Error("Expected grouping threefour")
}
if !strings.Contains(out, "5") {
t.Error("Expected 5")
}
tpl = `{{$t := dict "I" "shot" "the" "albatross"}}{{$t.the}} {{$t.I}}`
if err := runt(tpl, "albatross shot"); err != nil {
t.Error(err)
}
}
func TestUnset(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- $_ := unset $d "two" -}}
{{- range $k, $v := $d}}{{$k}}{{$v}}{{- end -}}
`
expect := "one1"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestHasKey(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- if hasKey $d "one" -}}1{{- end -}}
`
expect := "1"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestPluck(t *testing.T) {
tpl := `
{{- $d := dict "one" 1 "two" 222222 -}}
{{- $d2 := dict "one" 1 "two" 33333 -}}
{{- $d3 := dict "one" 1 -}}
{{- $d4 := dict "one" 1 "two" 4444 -}}
{{- pluck "two" $d $d2 $d3 $d4 -}}
`
expect := "[222222 33333 4444]"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestKeys(t *testing.T) {
tests := map[string]string{
`{{ dict "foo" 1 "bar" 2 | keys | sortAlpha }}`: "[bar foo]",
`{{ dict | keys }}`: "[]",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestPick(t *testing.T) {
tests := map[string]string{
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "two" | len -}}`: "1",
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "two" -}}`: "map[two:222222]",
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "one" "two" | len -}}`: "2",
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "one" "two" "three" | len -}}`: "2",
`{{- $d := dict }}{{ pick $d "two" | len -}}`: "0",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestOmit(t *testing.T) {
tests := map[string]string{
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "one" | len -}}`: "1",
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "one" -}}`: "map[two:222222]",
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "one" "two" | len -}}`: "0",
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "two" "three" | len -}}`: "1",
`{{- $d := dict }}{{ omit $d "two" | len -}}`: "0",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestSet(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- $_ := set $d "two" 2 -}}
{{- $_ := set $d "three" 3 -}}
{{- if hasKey $d "one" -}}{{$d.one}}{{- end -}}
{{- if hasKey $d "two" -}}{{$d.two}}{{- end -}}
{{- if hasKey $d "three" -}}{{$d.three}}{{- end -}}
`
expect := "123"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestCompact(t *testing.T) {
tests := map[string]string{
`{{ list 1 0 "" "hello" | compact }}`: `[1 hello]`,
`{{ list "" "" | compact }}`: `[]`,
`{{ list | compact }}`: `[]`,
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}